java.lang.Object
- org.deepjava.runtime.mpc555.driver.ffs.FFS

All Implemented Interfaces:

Impc555, IntbMpc555HB, Ippc32
```
public class FFS
extends Object
implements IntbMpc555HB
```
Flash File System
Works if code runs out of RAM or flash Sets aside part of the onboard flash for a file system

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) static int`	`blockSize`
`(package private) static int`	`BlocksPerSector`
`(package private) static File[]`	`fileTab`
`(package private) static boolean[]`	`freeBlocks`
`(package private) static int`	`maxBlocksPerFile`
`(package private) static int`	`maxFiles`
`(package private) static int`	`numOfBlocks`
`(package private) static boolean[]`	`usedBlocks`

Fields inherited from interface org.deepjava.runtime.mpc555.Impc555
BAR, BBCMCR, BR0, BR1, BR2, BR3, CCW_A, CCW_B, CFSR0_A, CFSR0_B, CFSR1_A, CFSR1_B, CFSR2_A, CFSR2_B, CFSR3_A, CFSR3_B, CIER_A, CIER_B, CISR_A, CISR_B, CMFA_BaseAddr, CMFA_Size, CMFB_BaseAddr, CMFB_Size, CMFCTL_A, CMFCTL_B, CMFMCR_A, CMFMCR_B, CMFTST_A, CMFTST_B, CMPA, CMPB, CMPC, CMPD, CMPE, CMPF, CMPG, CMPH, COLIR, COMDRAM, COUNTA, COUNTB, CPR0_A, CPR0_B, CPR1_A, CPR1_B, DDRQA_A, DDRQA_B, DDRQS, DER, DMBR, DMOR, DPTMCR, DSCR_A, DSCR_B, DSSR_A, DSSR_B, ECR, EID, EIE, EMCR, excpCodeBase, excpCodeSize, FPECR, HSQR0_A, HSQR0_B, HSQR1_A, HSQR1_B, HSRR0_A, HSRR0_B, HSRR1_A, HSRR1_B, ICTRL, IMB, IMMR, L2U_GRA, L2U_MCR, L2U_RA0, L2U_RA1, L2U_RA2, L2U_RA3, L2U_RBA0, L2U_RBA1, L2U_RBA2, L2U_RBA3, LCTRL1, LCTRL2, LJSRR_A, LJSRR_B, LJURR_A, LJURR_B, MCPSMSCR, MDASM11AR, MDASM11BR, MDASM11SCR, MDASM11SCRD, MDASM12AR, MDASM12BR, MDASM12SCR, MDASM12SCRD, MDASM13AR, MDASM13BR, MDASM13SCR, MDASM13SCRD, MDASM14AR, MDASM14BR, MDASM14SCR, MDASM14SCRD, MDASM15AR, MDASM15BR, MDASM15SCR, MDASM15SCRD, MDASM27AR, MDASM27BR, MDASM27SCR, MDASM27SCRD, MDASM28AR, MDASM28BR, MDASM28SCR, MDASM28SCRD, MDASM29AR, MDASM29BR, MDASM29SCR, MDASM29SCRD, MDASM30AR, MDASM30BR, MDASM30SCR, MDASM30SCRD, MDASM31AR, MDASM31BR, MDASM31SCR, MDASM31SCRD, MI_GRA, MI_RA0, MI_RA1, MI_RA2, MI_RA3, MI_RBA0, MI_RBA1, MI_RBA2, MI_RBA3, MIOS1ER0, MIOS1ER1, MIOS1LVL0, MIOS1LVL1, MIOS1MCR, MIOS1RPR0, MIOS1RPR1, MIOS1SR0, MIOS1SR1, MIOS1TPCR, MIOS1VNR, MISCNT, MISRH, MISRL, MMCSM22CNT, MMCSM22ML, MMCSM22SCR, MMCSM22SCRD, MMCSM6CNT, MMCSM6ML, MMCSM6SCR, MMCSM6SCRD, MPIOSMDDR, MPIOSMDR, MPWMSM0CNTR, MPWMSM0PERR, MPWMSM0PULR, MPWMSM0SCR, MPWMSM16CNTR, MPWMSM16PERR, MPWMSM16PULR, MPWMSM16SCR, MPWMSM17CNTR, MPWMSM17PERR, MPWMSM17PULR, MPWMSM17SCR, MPWMSM18CNTR, MPWMSM18PERR, MPWMSM18PULR, MPWMSM18SCR, MPWMSM19CNTR, MPWMSM19PERR, MPWMSM19PULR, MPWMSM19SCR, MPWMSM1CNTR, MPWMSM1PERR, MPWMSM1PULR, MPWMSM1SCR, MPWMSM2CNTR, MPWMSM2PERR, MPWMSM2PULR, MPWMSM2SCR, MPWMSM3CNTR, MPWMSM3PERR, MPWMSM3PULR, MPWMSM3SCR, MSTAT, NRI, OR0, OR1, OR2, OR3, PDMCR, PISCR, PISCRIK, PITC, PITCK, PITR, PLPRCR, PLPRCRK, PORTQA_A, PORTQA_B, PORTQB_A, PORTQB_B, PORTQS, PQSPAR, PVR, QACR0_A, QACR0_B, QACR1_A, QACR1_B, QACR2_A, QACR2_B, QADC64INT_A, QADC64INT_B, QADC64MCR_A, QADC64MCR_B, QASR0_A, QASR0_B, QASR1_A, QASR1_B, QDSCI_IL, QSCI1CR, QSCI1SR, QSMCMMCR, QSPI_IL, RAMBAR, RECRAM, RJURR_A, RJURR_B, RSR, RSRK, RTC, RTCAL, RTCALK, RTCK, RTCSC, RTCSCK, RTSEC, RTSECK, SC1DR, SC1SR, SC2DR, SC2SR, SCC1R0, SCC1R1, SCC2R0, SCC2R1, SCCR, SCCRK, SCRQ, SCTQ, SGPIOCR, SGPIODT1, SGPIODT2, SIEL, SIMASK, SIPEND, SIUMCR, SIVEC, SPCR0, SPCR1, SPCR2, SPCR3, SPR1022, SPR144, SPR145, SPR146, SPR147, SPR148, SPR149, SPR150, SPR151, SPR152, SPR153, SPR154, SPR155, SPR156, SPR157, SPR158, SPR159, SPR528, SPR536, SPR560, SPR568, SPR638, SPR784, SPR785, SPR786, SPR787, SPR792, SPR793, SPR794, SPR795, SPR80, SPR81, SPR816, SPR817, SPR818, SPR819, SPR82, SPR824, SPR825, SPR826, SPR827, SPSR, SRAMA_BaseAddr, SRAMA_Size, SRAMB_BaseAddr, SRAMB_Size, SRAMMCR_A, SRAMMCR_B, stackSize, SWSR, SYPCR, sysTabBaseAddr, TBK, TBREF0, TBREF0K, TBREF1, TBREF1K, TBSCR, TBSCRK, TESR, TICR_A, TICR_B, TPUMCR_A, TPUMCR_B, TPUMCR2_A, TPUMCR2_B, TPUMCR3_A, TPUMCR3_B, TPURAM0_A, TPURAM0_B, TPURAM1_A, TPURAM1_B, TPURAM10_A, TPURAM10_B, TPURAM11_A, TPURAM11_B, TPURAM12_A, TPURAM12_B, TPURAM13_A, TPURAM13_B, TPURAM14_A, TPURAM14_B, TPURAM15_A, TPURAM15_B, TPURAM2_A, TPURAM2_B, TPURAM3_A, TPURAM3_B, TPURAM4_A, TPURAM4_B, TPURAM5_A, TPURAM5_B, TPURAM6_A, TPURAM6_B, TPURAM7_A, TPURAM7_B, TPURAM8_A, TPURAM8_B, TPURAM9_A, TPURAM9_B, TRANRAM, UIPEND, UMCR, UTSTCREG, VSRMCR

Fields inherited from interface org.deepjava.runtime.mpc555.IntbMpc555HB
dualMappedSize, extFlashBase, extFlashSize, extRamBase, extRamSize, heapSize, SRR1init

Fields inherited from interface org.deepjava.runtime.ppc32.Ippc32
CR, CTR, DAR, DEC, DSISR, FPR0, FPR1, FPR10, FPR11, FPR12, FPR13, FPR14, FPR15, FPR16, FPR17, FPR18, FPR19, FPR2, FPR20, FPR21, FPR22, FPR23, FPR24, FPR25, FPR26, FPR27, FPR28, FPR29, FPR3, FPR30, FPR31, FPR4, FPR5, FPR6, FPR7, FPR8, FPR9, FPSCR, LR, MSR, R0, R1, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R2, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R3, R30, R31, R4, R5, R6, R7, R8, R9, SPR1, SPR18, SPR19, SPR22, SPR26, SPR268, SPR269, SPR27, SPR272, SPR273, SPR274, SPR275, SPR287, SPR8, SPR9, SPRG0, SPRG1, SPRG2, SPRG3, SRR0, SRR1, TBLread, TBUread, XER

Constructor Summary

Constructors
Constructor Description

FFS()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`directory(int index)`	Returns true if directory at index has a valid entry.
`static void`	`eraseSector(int sector)`	erases a sector in the flash
`static void`	`formatAll()`	erases flash, initializes file system
`static int`	`getSectorAddr(int sector)`	Returns address of sector.
`static void`	`init()`	reads directory from flash
`static File`	`old(String filename)`	Returns file with filename, null if file does not exist.
`static void`	`outDir()`
`static void`	`programInt(int sector, int offset, int val)`	Programs an integer value.
`static void`	`programShort(int sector, int offset, short val)`	programs an short value
`static byte`	`readByte(int sector, int offset)`	reads a byte from flash file system
`static int`	`readInt(int sector, int offset)`	reads an integer from flash file system
`static short`	`readShort(int sector, int offset)`	reads a short from flash file system
`static void`	`showFreeBlocks()`
`static void`	`showUsedBlocks()`
`(package private) static void`	`writeDir()`	writes directory to flash

Methods inherited from class java.lang.Object
equals, getClass, hashCode, toString

- Field Detail
  - maxFiles
```
static final int maxFiles
```
    See Also:
    
    Constant Field Values
  - maxBlocksPerFile
```
static final int maxBlocksPerFile
```
    See Also:
    
    Constant Field Values
  - blockSize
```
static final int blockSize
```
    See Also:
    
    Constant Field Values
  - BlocksPerSector
```
static final int BlocksPerSector
```
    See Also:
    
    Constant Field Values
  - numOfBlocks
```
static final int numOfBlocks
```
    See Also:
    
    Constant Field Values
  - fileTab
```
static File[] fileTab
```
  - freeBlocks
```
static boolean[] freeBlocks
```
  - usedBlocks
```
static boolean[] usedBlocks
```
- Constructor Detail
  - FFS
```
public FFS()
```
- Method Detail
  - eraseSector
```
public static void eraseSector(int sector)
```
    erases a sector in the flash
    
    Parameters:
    
    sector - sector to be deleted
  - getSectorAddr
```
public static int getSectorAddr(int sector)
```
    Returns address of sector.
    
    Parameters:
    
    sector - Sector, of which address is returned.
    
    Returns:
    
    Address of sector.
  - programInt
```
public static void programInt(int sector,
                              int offset,
                              int val)
```
    Programs an integer value.
    
    Parameters:
    
    sector - address of sector.
    
    offset - offset.
    
    val - value to be programmed.
  - programShort
```
public static void programShort(int sector,
                                int offset,
                                short val)
```
    programs an short value
    
    Parameters:
    
    sector - address of sector
    
    offset - offset
    
    val - value to be programmed
  - readByte
```
public static byte readByte(int sector,
                            int offset)
```
    reads a byte from flash file system
    
    Parameters:
    
    sector - sector
    
    offset - offset
    
    Returns:
    
    Byte read.
  - readShort
```
public static short readShort(int sector,
                              int offset)
```
    reads a short from flash file system
    
    Parameters:
    
    sector - sector
    
    offset - offset
    
    Returns:
    
    Short read.
  - readInt
```
public static int readInt(int sector,
                          int offset)
```
    reads an integer from flash file system
    
    Parameters:
    
    sector - sector
    
    offset - offset
    
    Returns:
    
    Integer read.
  - writeDir
```
static void writeDir()
```
    writes directory to flash
  - old
```
public static File old(String filename)
```
    Returns file with filename, null if file does not exist.
    
    Parameters:
    
    filename - Name of file to be opened.
    
    Returns:
    
    Opened file.
  - directory
```
public static boolean directory(int index)
```
    Returns true if directory at index has a valid entry.
    
    Parameters:
    
    index - Index into file directory.
    
    Returns:
    
    true if directory contains valid entry at this index.
  - formatAll
```
public static void formatAll()
```
    erases flash, initializes file system
  - init
```
public static void init()
```
    reads directory from flash
  - showFreeBlocks
```
public static void showFreeBlocks()
```
  - showUsedBlocks
```
public static void showUsedBlocks()
```
  - outDir
```
public static void outDir()
```

Class FFS

Field Summary

Fields inherited from interface org.deepjava.runtime.mpc555.Impc555

Fields inherited from interface org.deepjava.runtime.mpc555.IntbMpc555HB

Fields inherited from interface org.deepjava.runtime.ppc32.Ippc32

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

maxFiles

maxBlocksPerFile

blockSize

BlocksPerSector

numOfBlocks

fileTab

freeBlocks

usedBlocks

Constructor Detail

FFS

Method Detail

eraseSector

getSectorAddr

programInt

programShort

readByte

readShort

readInt

writeDir

old

directory

formatAll

init

showFreeBlocks

showUsedBlocks

outDir